Woodbury, MN 55129 Frost Dates
Frost dates for Woodbury, MN, ZIP 55129
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 10/12, about 166 frost-free days later.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Woodbury, not a forecast for this year.
What to do before the first frost
Zone 5a around Woodbury has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Woodbury's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Woodbury compares
At roughly 166 frost-free days, Woodbury places 30,276 of 40,283 ZIP codes in this dataset. Within MN, it ranks 95 of 943.
Learn more
zone vs. frost date explains why Zone 5a and Woodbury's frost date answer different questions, and the frost range explains how to read the range around Woodbury's dates instead of trusting one.